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History · O'Fallon
O'Fallon, since 1854
O'Fallon is a city in St. Clair County, Illinois, United States. We’re gathering its old postcards, photos and papers from public archives right now.
172 years of O'Fallon
Every find lands on the timeline as it comes in. Gaps show where the archives go quiet, and where neighbors can help.
1854established
32,289people today
0old images found
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